Educational ICT Virtualisation Specialist 

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Cambridge, CB4 1QB, United Kingdom
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Citrix XenServer: Technical Information (based on XenServer 6.5)

Citrix System Requirements documentation

Per-Host Configuration Limits

  • 64-bit x86 server-class system
  • CPU: 1.5 GHz minimum, 2 GHz or faster multi-core recommended
  • IntelŪ VT or AMD-V. required for support of Windows guests
  • Local or Fibre Channel boot disk with 16 GB of space minimum, 60 GB or more recommended<.li>
  • 650 concurrent VMs(Linux)
  • 500 concurrent VMs (Windows)
  • 500 concurrent VMs protected by HA
  • 96 vGPU VMs
  • 1TB RAM (4GB minimum)(
  • 2048 virtual disks
  • 16 physical NICs
  • 4 NICs per network bond
  • 4 network bonds
  • 512 virtual NICs
  • 800 VLANs
  • 12 GPUs

XenCenter Client

  • x86-based system
  • Windows ServerŪ 2003R2, 2008 SP2, 2008R2 SP1, 2012 or 2012R2. Windows Vista, 7, 8 or 8.1
  • .NET Framework 4
  • CPU speed: 750 MHz minimum, 1 GHz or faster recommended
  • RAM: 1GB minimum
  • Disk space: 100 MB minimum
  • Network interface card

Virtual Machine Limits

  • 32 vCPUs (Linux), 16 vCPUs (Windows)
  • 192GB RAM per VM
  • 16 virtual disks (including DVD/CD)
  • 2TB max virtual disk size
  • 7 virtual NICs

Supported Guest Operating Systems

Below is a list of operating systems that are supported for virtualization with XenServer.

  • Microsoft Windows 64-bit: Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2 (SP0, SP1), Windows Server 2008 (SP1, SP2); Windows Server 2003 (Standard, Enterprise, Datacenter Edition SP2), Windows 7, Windows 8, Windows 8.1
  • Microsoft Windows 32-bit: Windows Server 2008 (SP1, SP2); Windows Server 2003 (Web, Standard, Enterprise, Datacenter; SP2, R2); Windows Small Business Server (2003 SP2, R2); Windows XP (SP3); Windows 2000 SP4; Windows 7, Windows 8, Windows 8.1
  • Linux 32-bit and 64-bit: Red Hat Enterprise Linux (4.5 - 7.0); CentOS (4.5 - 7.0); SUSE Linux Enterprise Server (10 SP1, 10 SP2, 10 SP3, 10 SP4, 11, 11 SP1, 11 SP2); Oracle Enterprise Linux (5.0 - 7.0); Debian (Squeeze 6.0, Wheezy 7.0); Ubuntu (10.04, 12.04, 14.04)

Experimental guest operating systems

Below is a list of operating systems that are being tested for future support for virtualization with XenServer.

  • Linux 32-bit and 64-bit: SUSE Linux Enterprise Server 12

Hardware Compatibility List

View the complete list of hardware compatible with XenServer.
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